. >> meanwhile, senator dianne feinstein unveiled her bill yesterday surrounded by police chiefs, mayors and crime victims. it would ban the manufacture, sale, and transportation of 157 types of guns and also lower the threshold for other guns to be classified as assault weapons. the bill would ban high capacity magazines and beef up background checks. critics say the bill won't make it out of congress. >>> to world news now, more threats from north korea. the communist regime says south korea participates in sanctions, it could face war. it calls the united states its sworn enemy. >>> in the meantime, investigators with the ntsb found two problems with the dreamliner. they say the batteries show signs of short circuiting and found chemical overheating and a reaction called thermal runway. they are still testing the batteries at the ntsb lab in d.c. the dreamliner is the most technically advanced plane in the world, but they all remain grounded because of incidents that led to several emergency landings. >>> checking today's other top stories, 17-year-old is recovering after he was bruta